1
22
23 package com.liferay.util.servlet;
24
25 import com.liferay.portal.kernel.util.StringPool;
26 import com.liferay.portal.kernel.util.Validator;
27 import com.liferay.util.Encryptor;
28 import com.liferay.util.EncryptorException;
29
30 import java.security.Key;
31
32 import java.util.Collections;
33 import java.util.Enumeration;
34 import java.util.HashMap;
35 import java.util.Map;
36
37 import javax.servlet.http.HttpServletRequest;
38 import javax.servlet.http.HttpServletRequestWrapper;
39
40
45 public class EncryptedServletRequest extends HttpServletRequestWrapper {
46
47 public EncryptedServletRequest(HttpServletRequest request, Key key) {
48 super(request);
49
50 _params = new HashMap<String, String[]>();
51 _key = key;
52
53 Enumeration<String> enu = getParameterNames();
54
55 while (enu.hasMoreElements()) {
56 String name = enu.nextElement();
57 String[] values = super.getParameterValues(name);
58
59 for (int i = 0; i < values.length; i++) {
60 if (Validator.isNotNull(values[i])) {
61 try {
62 values[i] = Encryptor.decrypt(_key, values[i]);
63 }
64 catch (EncryptorException ee) {
65 values[i] = StringPool.BLANK;
66 }
67 }
68 }
69
70 _params.put(name, values);
71 }
72 }
73
74 public String getParameter(String name) {
75 String[] values = _params.get(name);
76
77 if ((values != null) && (values.length > 0)) {
78 return values[0];
79 }
80 else {
81 return null;
82 }
83 }
84
85 public Map<String, String[]> getParameterMap() {
86 return Collections.unmodifiableMap(_params);
87 }
88
89 public String[] getParameterValues(String name) {
90 return _params.get(name);
91 }
92
93 private Map<String, String[]> _params;
94 private Key _key;
95
96 }